2489348540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{163129}}^1$

素因数の和:163254

約数の個数: 48

約数和(自身を含む): 6029284800

約数和(自身を除く): 3539936260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 15260, 163129, 326258, 652516, 815645, 1141903, 1631290, 2283806, 3262580, 4567612, 5709515, 11419030, 17781061, 22838060, 35562122, 71124244, 88905305, 124467427, 177810610, 248934854, 355621220, 497869708, 622337135, 1244674270, 2489348540]

約数ペア:

[(1, 2489348540), (2, 1244674270), (4, 622337135), (5, 497869708), (7, 355621220), (10, 248934854), (14, 177810610), (20, 124467427), (28, 88905305), (35, 71124244), (70, 35562122), (109, 22838060), (140, 17781061), (218, 11419030), (436, 5709515), (545, 4567612), (763, 3262580), (1090, 2283806), (1526, 1631290), (2180, 1141903), (3052, 815645), (3815, 652516), (7630, 326258), (15260, 163129)]